Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 226
by the smalltell-tale index onthe top of the move-ment in a numberof seconds equal tothe constant of themeter. The numberof revolutions notedwill correspond to thenumber of amperespassing through the meter. For example, the 20 ampere meterconstant is 63.3 ; if the index makes ten revolutions in… … S7-1-30 ^/Impene-houf^. r WESTINCHOOSE FlECTHiC CO- °V PITTSBUBCH PA u S.A /qO^OBSHAULEUBERCERS PATENTS NOS 1388003AUC. 14 I8S8 1388004f^O«3l90 CAPACtTT 80 AMP S 10 000 M 000 JOOi
Electrical engineering · Electric power
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